A time will however come (as I believe) when physiology will invade and destroy mathematical physics, as the latter has destroyed geometry.

Shelley and Keats were the last English poets who were at all up to date in their chemical knowledge.

Now, if the cooperation of some thousands of millions of cells in our brain can produce our consciousness, a true singularity, the idea becomes vastly more plausible that the cooperation of humanity, or some sections of it, may determine what Comte calls a Great Being.

An attempt to study the evolution of living organisms without reference to cytology would be as futile as an account of stellar evolution which ignored spectroscopy.

So far from being an isolated phenomenon the late war is only an example of the disruptive result that we may constantly expect from the progress of science.

Man armed with science is like a baby with a box of matches.

Would I lay down my life to save my brother? No, but I would to save two brothers or eight cousins.